.ai-lab-rebuild .kr-header{position:sticky;top:0;z-index:1100}
.ai-lab-rebuild .kr-brand__lead{white-space:normal;overflow:visible;text-overflow:clip;max-width:640px;line-height:1.45}
.ai-lab-rebuild .kr-hero{padding-top:40px}
.ai-lab-rebuild .kr-btn--secondary{background:#fff;color:var(--kr-navy);border-color:rgba(18,48,86,.18)}
.ai-lab-rebuild .kr-site-footer{background:#0c1737;color:#d7deef;padding-top:48px}
.ai-lab-rebuild .kr-site-footer__grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:24px;padding-bottom:28px}
.ai-lab-rebuild .kr-site-footer__brand{margin:0 0 8px;color:#fff;font-weight:800;font-size:24px}
.ai-lab-rebuild .kr-site-footer h2{margin:0 0 10px;font-size:16px;color:#fff}
.ai-lab-rebuild .kr-site-footer ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.ai-lab-rebuild .kr-site-footer__bottom{padding:18px 0;border-top:1px solid rgba(255,255,255,.12)}
.ai-lab-rebuild .kr-site-footer__bottom p{margin:0;font-size:13px}
@media (max-width: 900px){
  .ai-lab-rebuild .kr-brand__lead{max-width:none;font-size:.74rem}
}
@media (max-width: 820px){
  .ai-lab-rebuild .kr-site-footer__grid{grid-template-columns:1fr}
}

.ai-lab-rebuild .ai-lab-business-navwrap{background:#f6f8fc;border-top:1px solid rgba(18,54,93,.08);border-bottom:1px solid rgba(18,54,93,.08)}
.ai-lab-rebuild .ai-lab-business-nav{display:flex;align-items:center;justify-content:center;gap:10px;padding:10px 0;flex-wrap:wrap}
.ai-lab-rebuild .ai-lab-business-nav a{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:0 16px;border-radius:999px;background:#fff;border:1px solid var(--kr-line);color:var(--kr-navy);font-weight:800;font-size:.88rem;line-height:1.3;white-space:nowrap;text-decoration:none}
.ai-lab-rebuild .ai-lab-business-nav a[aria-current="page"]{background:var(--kr-yellow);border-color:transparent;color:var(--kr-navy)}
.ai-lab-rebuild .ai-lab-business-nav a:hover,.ai-lab-rebuild .ai-lab-business-nav a:focus-visible{border-color:rgba(18,48,86,.25);transform:translateY(-1px)}
.ai-lab-rebuild .ai-lab-breadcrumb{background:#fff;border-bottom:1px solid rgba(18,48,86,.08)}
.ai-lab-rebuild .ai-lab-breadcrumb ol{display:flex;gap:10px;list-style:none;padding:12px 0;margin:0;font-size:.9rem;color:#355074;overflow:auto;white-space:nowrap}
.ai-lab-rebuild .ai-lab-breadcrumb li::after{content:'›';margin-left:10px;color:#90a0b5}
.ai-lab-rebuild .ai-lab-breadcrumb li:last-child::after{content:''}
.ai-lab-rebuild .ai-lab-breadcrumb a{color:#355074;text-decoration:none}
.ai-lab-rebuild .ai-lab-breadcrumb li:last-child{font-weight:700;color:var(--kr-navy)}
@media (max-width: 820px){
  .ai-lab-rebuild .ai-lab-business-nav{justify-content:flex-start;flex-wrap:nowrap;overflow:auto;padding:10px 0 12px;-webkit-overflow-scrolling:touch;scroll-snap-type:x proximity;scroll-padding-inline:16px}
  .ai-lab-rebuild .ai-lab-business-nav::-webkit-scrollbar{display:none}
  .ai-lab-rebuild .ai-lab-business-nav a{flex:0 0 auto;scroll-snap-align:start}
}


/* v16.5.2-c5 content restore */
.ai-lab-rebuild{background:#f7f9fc;color:#153053;line-height:1.7}
.ai-lab-rebuild .wrap{width:min(1120px,calc(100% - 32px));margin-inline:auto}
.ai-lab-rebuild .section{padding:74px 0}
.ai-lab-rebuild .section--muted{background:#f0f5fb}
.ai-lab-rebuild .section--accent{background:linear-gradient(135deg,#0f396e,#184e95 60%,#1e5daf 100%);color:#fff}
.ai-lab-rebuild .section__head{max-width:760px;margin:0 0 28px}
.ai-lab-rebuild .section__label{margin:0 0 10px;font-size:13px;font-weight:900;letter-spacing:.12em;color:var(--kr-navy);text-transform:uppercase}
.ai-lab-rebuild .section__head h2{margin:0 0 12px;font-size:clamp(28px,4vw,42px);line-height:1.18;color:var(--kr-navy)}
.ai-lab-rebuild .section__head p{margin:0;color:#5d6f89}
.ai-lab-rebuild .section__head--light .section__label,
.ai-lab-rebuild .section__head--light p{color:rgba(255,255,255,.84)}
.ai-lab-rebuild .section__head--light h2{color:#fff}
.ai-lab-rebuild .pain-grid,.ai-lab-rebuild .service-grid,.ai-lab-rebuild .step-grid{display:grid;gap:18px}
.ai-lab-rebuild .pain-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
.ai-lab-rebuild .service-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
.ai-lab-rebuild .step-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
.ai-lab-rebuild .pain-card,.ai-lab-rebuild .service-card,.ai-lab-rebuild .office-card{background:#fff;border:1px solid #d8e2f0;border-radius:24px;box-shadow:0 18px 50px rgba(17,61,118,.10)}
.ai-lab-rebuild .pain-card,.ai-lab-rebuild .service-card{padding:26px}
.ai-lab-rebuild .pain-card p,.ai-lab-rebuild .service-card p{margin:0;color:#5d6f89}
.ai-lab-rebuild .service-card h3{margin:0 0 10px;font-size:22px;line-height:1.3;color:var(--kr-navy)}
.ai-lab-rebuild .step-card{padding:24px;border-radius:24px;background:#ffffff;border:1px solid #d7e0ed;box-shadow:0 14px 32px rgba(18,48,86,.08)}
.ai-lab-rebuild .step-card__num{margin:0 0 10px;font-size:13px;font-weight:900;letter-spacing:.12em;color:#0f6b63}
.ai-lab-rebuild .step-card h3{margin:0 0 10px;font-size:22px;color:#123056}
.ai-lab-rebuild .step-card p{margin:0;color:#54677d}
.ai-lab-rebuild .office{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(300px,.8fr);gap:22px;align-items:start}
.ai-lab-rebuild .office-card{padding:26px}
.ai-lab-rebuild .office-card div+div{margin-top:14px;padding-top:14px;border-top:1px solid #d8e2f0}
.ai-lab-rebuild .office-card dt{font-size:13px;color:#5d6f89;font-weight:800}
.ai-lab-rebuild .office-card dd{margin:6px 0 0}
.ai-lab-rebuild .office-card a{color:var(--kr-navy)}
.ai-lab-rebuild .kr-start-guide__grid{grid-template-columns:repeat(4,minmax(0,1fr))}
.ai-lab-rebuild .kr-start-guide__card{display:flex;flex-direction:column}
.ai-lab-rebuild .kr-start-guide__card a{margin-top:auto}
@media (max-width:980px){
  .ai-lab-rebuild .pain-grid,.ai-lab-rebuild .service-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .ai-lab-rebuild .step-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .ai-lab-rebuild .office{grid-template-columns:1fr}
  .ai-lab-rebuild .kr-start-guide__grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:720px){
  .ai-lab-rebuild .section{padding:54px 0}
  .ai-lab-rebuild .pain-grid,.ai-lab-rebuild .service-grid,.ai-lab-rebuild .step-grid,.ai-lab-rebuild .kr-start-guide__grid{grid-template-columns:1fr}
  .ai-lab-rebuild .pain-card,.ai-lab-rebuild .service-card,.ai-lab-rebuild .office-card,.ai-lab-rebuild .step-card{padding:22px}
}


/* v16.5.2-c6 layout fixes */
.ai-lab-rebuild, .ai-lab-rebuild body {overflow-x:clip;}
.ai-lab-rebuild .kr-wrap{max-width:1180px;margin:0 auto;padding:0 24px;box-sizing:border-box}
@media (max-width: 720px){.ai-lab-rebuild .kr-wrap{padding:0 16px}}
.ai-lab-rebuild .kr-hero__panel{background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.16);border-radius:24px;padding:24px;backdrop-filter:blur(6px)}
.ai-lab-rebuild .kr-hero__panel h2{margin:0 0 10px;font-size:1.2rem;color:#fff}
.ai-lab-rebuild .kr-hero__panel ul{margin:0;padding-left:1.2em;color:rgba(255,255,255,.92);display:grid;gap:8px;line-height:1.7}
.ai-lab-rebuild .kr-start-guide{padding:56px 0;background:#f7f9fc}
.ai-lab-rebuild .kr-start-guide__head{max-width:760px;margin:0 0 24px}
.ai-lab-rebuild .kr-start-guide__label{margin:0 0 10px;font-size:13px;font-weight:900;letter-spacing:.12em;color:var(--kr-navy);text-transform:uppercase}
.ai-lab-rebuild .kr-start-guide__head h2{margin:0 0 12px;font-size:clamp(28px,4vw,42px);line-height:1.25;color:var(--kr-navy);font-family:'Noto Serif JP',serif}
.ai-lab-rebuild .kr-start-guide__head p{margin:0;color:#5d6f89;line-height:1.9}
.ai-lab-rebuild .kr-start-guide__grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.ai-lab-rebuild .kr-start-guide__card{background:#fff;border:1px solid #d8e2f0;border-radius:22px;padding:24px;box-shadow:0 8px 24px rgba(18,48,86,.04);display:flex;flex-direction:column;min-width:0}
.ai-lab-rebuild .kr-start-guide__card h3{margin:0 0 12px;font-size:1.32rem;color:var(--kr-navy);line-height:1.45;font-family:'Noto Serif JP',serif}
.ai-lab-rebuild .kr-start-guide__card p{margin:0;color:#5d6f89;line-height:1.9}
.ai-lab-rebuild .kr-start-guide__card a{display:inline-flex;align-items:center;gap:8px;margin-top:16px;color:var(--kr-blue);font-weight:800;text-decoration:none}
.ai-lab-rebuild .kr-start-guide__card a::after{content:'→';font-size:.92em}
.ai-lab-rebuild .kr-site-footer a{color:rgba(255,255,255,.86);text-decoration:none}
.ai-lab-rebuild .kr-site-footer p{margin:0;color:#d7deef;line-height:1.9}
.ai-lab-rebuild .kr-site-footer__grid > div{min-width:0}
.ai-lab-rebuild .kr-site-footer__bottom{max-width:1180px;margin:0 auto;padding-left:24px;padding-right:24px;box-sizing:border-box}
@media (max-width:980px){
  .ai-lab-rebuild .kr-start-guide__grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    }
@media (max-width:720px){
  .ai-lab-rebuild .kr-start-guide{padding:46px 0}
  .ai-lab-rebuild .kr-start-guide__grid{grid-template-columns:1fr}
  .ai-lab-rebuild .kr-start-guide__card{padding:22px}
      .ai-lab-rebuild .kr-final-cta__actions .kr-btn{width:100%;min-width:0}
  .ai-lab-rebuild .kr-site-footer__bottom{padding-left:16px;padding-right:16px}
}

.ai-lab-rebuild .kr-section--cta{padding:0 0 56px;}
@media (max-width:980px){
  .ai-lab-rebuild .kr-start-guide__grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:720px){
  .ai-lab-rebuild .kr-start-guide{padding:46px 0;}
  .ai-lab-rebuild .kr-start-guide__grid{grid-template-columns:1fr;}
  .ai-lab-rebuild .kr-start-guide__card{padding:22px;}
  .ai-lab-rebuild .kr-site-footer__bottom{padding-left:16px;padding-right:16px;}
}

/* 2026-03 renewal: align hero tone with family.hanawa-office.jp */
.ai-lab-rebuild .kr-hero--family{padding:64px 0;background:linear-gradient(180deg, rgba(15,23,42,0.96), rgba(26,54,93,0.90));color:#fff;position:relative;overflow:hidden}
.ai-lab-rebuild .kr-hero--family::before{content:"";position:absolute;inset:0;background-image:url("/ai-lab/images/hero.png");background-size:cover;background-position:center;opacity:.10;filter:saturate(.92) contrast(1.04) brightness(1.02);transform:scale(1.03);pointer-events:none}
.ai-lab-rebuild .kr-hero--family .kr-hero__inner{position:relative;z-index:1;display:grid;grid-template-columns:1fr minmax(240px,380px);gap:28px;align-items:center}
.ai-lab-rebuild .kr-hero--family .kr-hero__label{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);color:#fef2c1;font-size:.9rem;font-weight:800;letter-spacing:.02em;margin-bottom:14px}
.ai-lab-rebuild .kr-hero--family h1{font-family:'Noto Serif JP',serif;font-size:clamp(1.9rem,3.0vw,2.35rem);line-height:1.2;margin:0 0 16px;color:#fff}
.ai-lab-rebuild .kr-hero--family .kr-hero__lead{font-size:1rem;line-height:1.75;margin:0;color:rgba(255,255,255,.92)}
.ai-lab-rebuild .kr-hero__checklist{list-style:none;padding:0;margin:14px 0 0}
.ai-lab-rebuild .kr-hero__checklist li{position:relative;padding-left:26px;margin:8px 0;line-height:1.6;color:#fff}
.ai-lab-rebuild .kr-hero__checklist li::before{content:"✓";position:absolute;left:0;top:.15em;color:#f59e0b;font-weight:900}
.ai-lab-rebuild .kr-hero__badges{margin-top:18px;display:flex;flex-wrap:wrap;gap:10px}
.ai-lab-rebuild .kr-hero__badge{display:inline-block;background:rgba(255,255,255,0.12);border:1px solid rgba(255,255,255,0.25);padding:6px 10px;border-radius:999px;font-size:.85rem;color:#fff}
.ai-lab-rebuild .kr-hero--family .kr-hero__actions{margin-top:22px;display:flex;gap:12px;flex-wrap:wrap}
.ai-lab-rebuild .kr-hero__note{margin:10px 0 0;opacity:.92;font-weight:700}
.ai-lab-rebuild .kr-hero__media{justify-self:end;width:100%;max-width:380px;margin:0;border-radius:18px;overflow:hidden;box-shadow:0 18px 40px rgba(0,0,0,.25);background:rgba(6,18,35,.72)}
.ai-lab-rebuild .kr-hero__media img{display:block;width:100%;height:auto;max-height:260px;object-fit:cover;border-radius:0;box-shadow:none}
.ai-lab-rebuild .kr-hero__media figcaption{padding:14px 16px;font-size:.92rem;background:rgba(6,18,35,.72);color:#fff}
@media (max-width:900px){.ai-lab-rebuild .kr-hero--family{padding:52px 0}.ai-lab-rebuild .kr-hero--family .kr-hero__inner{grid-template-columns:1fr}.ai-lab-rebuild .kr-hero__media{justify-self:start}.ai-lab-rebuild .kr-hero--family .kr-hero__actions{display:grid;grid-template-columns:1fr;gap:10px}}

@media (max-width: 820px){.ai-lab-rebuild .kr-hero h1{font-size:clamp(1.62rem,7vw,2.08rem);line-height:1.28;max-width:none}.ai-lab-rebuild .section__head h1,.ai-lab-rebuild .section__head h2,.ai-lab-rebuild .kr-start-guide__head h2,.ai-lab-rebuild .kr-final-cta h2{max-width:none}}